Muscle fatigue occurs due to the accumulation | vedclass

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(B) Muscle fatigue is the decline in the ability of a muscle to generate force. During intense or prolonged physical activity,the muscle cells undergo

Vedclass · Accepted Answer

Lactic acid

Vedclass · Answer

(B) Muscle fatigue is the decline in the ability of a muscle to generate force. During intense or prolonged physical activity,the muscle cells undergo anaerobic respiration because the oxygen supply is insufficient to meet the energy demand. This process leads to the accumulation of lactic acid in the muscle fibers. The buildup of lactic acid lowers the $pH$ within the muscle,which interferes with the contractile mechanism and leads to muscle fatigue.

Muscle fatigue occurs due to the accumulation of . . . . . . .

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